RL 24 — Information, Review, Specs

Rob Legg·1973 – 1987·~500 hulls·Rob. Legg Yachts Pty Ltd.
RL 24 drawingBuilder drawing
Hull type
Monohull · centerboard
Rig
Fractional Sloop
LOA
24' · 7.32 m
Displ.
1,650 lbs · 748 kg
First year
1973

The RL 24 stands as a cornerstone of Australian trailable yachting history, a vessel that effectively democratized performance sailing for families across the continent. Designed by Rob Legg in the early 1970s, the model was born from a desire to combine the portability of a dinghy with the selfrighting security of a keelboat. With over 600 hulls produced between 1972 and 1988, it remains one of Australia’s most successful production yachts. Its lowprofile silhouette and distinctive swingkeel design allow it to transition seamlessly from spirited club racing to coastal gunkholing. The boat’s evolution through four distinct "Marks" reflects a shift from a versatile cruiserracer to a refined racing machine, particularly with the introduction of the Mark IV’s larger cockpit and lighter construction.

Measurements

Dimensions 01

LOA
24 ft
LWL
19.5 ft
Beam
7.33 ft
Draft
4.25 ft
Max headroom
-
Air draft
-

Construction & hull 02

Construction
Fiberglass
Hull type
Monohull
Keel type
Centerboard
Rudder
1× —
Ballast
225 lbs
Displacement
1650 lbs
Water
-
Fuel
-

Rig & sails 03

Rig type
Fractional Sloop
P · main luff
-
E · main foot
-
I · fore ht.
-
J · fore base
-
Forestay (est)
-
Sail area
216 sqft

Calculations 04

SA/D ratio
24.75
Ballast/Disp.
13.64
D/L ratio
99.34
Comfort ratio
8.61
Capsize screening
2.48
Hull speed
5.92 kn

Sailing Performance & Handling

Under sail, the RL 24 is frequently described as "dinghy-like" in its responsiveness, a characteristic attributed to its high sail-area-to-displacement ratio and relatively flat underbody. Unlike many heavier trailables of its era, the RL 24 accelerates quickly in light air and remains competitive in mixed-fleet racing. Handling is governed by its retractable swing keel, which provides a deep draft for windward performance while allowing for easy beaching.

According to technical documentation from the RL24 Owners Association of Australia, the boat is notably stable for its weight, though it requires active trimming in gusty conditions due to its lively nature. The Mark IV variant, in particular, features an optimized rig and cockpit layout that caters to the racing enthusiast, often outperforming much larger yachts on a reach. The boat's ability to be launched and retrieved in shallow water—drawing only about a foot of water with the keel up—makes it an ideal platform for exploring estuaries and coastal lakes where fixed-keel vessels cannot venture.

Interior Comfort & Variations

Despite its primary focus on performance, the RL 24 offers a functional interior for its size. The cabin typically features four berths—a V-berth forward and two quarter berths—making it suitable for "pocket cruising" or weekend getaways. The Mark I and Mark II versions prioritized cabin volume, providing modest headroom and a compact galley area. As the design evolved into the Mark III and Mark IV, the emphasis shifted toward cockpit ergonomics for racing, resulting in a slightly more utilitarian interior on the later models.

The use of fiberglass moldings for the interior liners was a hallmark of Rob Legg's construction, ensuring a clean, easy-to-maintain living space. For sailors requiring more significant accommodations, Rob Legg Yachts produced larger siblings based on similar design philosophies. The RL 28 offered a much larger interior with standing headroom, while the RL 34 served as the flagship coastal cruiser, available in both swing-keel and fixed-keel configurations. However, the RL 24 remains the most popular of the range due to its balance of "towability" and on-water agility.

The RL 24’s legacy is deeply intertwined with the "Great Australian Trailer Boat" movement of the 1970s. Its success was cemented in 1974 when an RL 24, Tiki II, won the prestigious JOG (Junior Offshore Group) championship, proving that a trailable boat could compete against fixed-keel offshore designs. This victory is a frequent point of pride in Australian nautical archives and helped launch the "RL" brand into the national consciousness as a serious performance contender.

Known Issues & Buyer’s Checklist

Prospective buyers should focus on several high-signal technical areas common to the RL 24:

  • Swing Keel Pivot: The centerboard/swing keel trunk and pivot bolt require scrutiny; over decades of use, the pivot hole can elongate, leading to a "thumping" sound while underway or potential alignment issues.
  • Deck Core Integrity: The deck-to-hull joint and the deck core itself should be checked for soft spots or moisture ingress, particularly around the chainplates, stanchion bases, and the mast step.
  • Mast Step & Rigging: Because many RL 24s were campaigned heavily as racers, the mast step and rigging attachment points should be inspected for stress fractures or deformation.
  • Trailer Condition: Given the boat's age, the custom trailers often require a thorough inspection of the braking system and axle, as these boats have frequently spent as much time on the road as in the water.

Community & Resources

The primary hub for this model is the RL24 Owners Association of Australia, which maintains comprehensive technical records, class rules, and a vibrant regatta schedule. This association is vital for sourcing replacement parts or finding original build specifications for the various Mark iterations.

The Verdict

The RL 24 remains an exceptional choice for the sailor who refuses to choose between performance and portability. It is a true "sailor's boat" that rewards tactical skill while remaining forgiving enough for family outings.

Pros:

  • Exceptional light-air performance and agility.
  • Easily trailable behind a standard family vehicle.
  • Strong, active class association providing longevity to the model.
  • Versatile "beachable" design thanks to the shallow-draft swing keel.

Cons:

  • Limited headroom and interior volume compared to modern "fat" 24-foot cruisers.
  • Can feel "tender" or overpowered in heavy air if not reefed early.
  • Aging deck cores in older Mark I and II models may require professional repair.

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